I have owned the 4.8, the 5.3 and the 6.0 and they are rock solid. The wife has a 2015 Z71 4wd with almost every available option, and the new 4.3 V6. Honestly, it has as much power as my old 4.8 had, and it is a comfortable ride too.
I am looking for 2001 or 2002 Yukon XL Denali AWD, I have...